中文版 | English
Title

Impact-Resistant Hydrogels by Harnessing 2D Hierarchical Structures

Author
Corresponding AuthorLiu,Ji
Publication Years
2022
DOI
Source Title
ISSN
0935-9648
EISSN
1521-4095
Abstract
With the strengthening capacity through harnessing multi-length-scale structural hierarchy, synthetic hydrogels hold tremendous promise as a low-cost and abundant material for applications demanding unprecedented mechanical robustness. However, integrating high impact resistance and high water content, yet superior softness, in a single hydrogel material still remains a grand challenge. Here, a simple, yet effective, strategy involving bidirectional freeze-casting and compression-annealing is reported, leading to a hierarchically structured hydrogel material. Rational engineering of the distinct 2D lamellar structures, well-defined nanocrystalline domains and robust interfacial interaction among the lamellae, synergistically contributes to a record-high ballistic energy absorption capability (i.e., 2.1 kJ m), without sacrificing their high water content (i.e., 85 wt%) and superior softness. Together with its low-cost and extraordinary energy dissipation capacity, the hydrogel materials present a durable alternative to conventional hydrogel materials for armor-like protection circumstances.
Keywords
URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
First ; Corresponding
Funding Project
Natural Science Foundation of Guangdong Province["2022A1515010152","2020A1515110288"] ; Basic Research Program of Shenzhen["JCYJ20210324105211032","GJHZ20210705141809030"] ; Shenzhen Science and Technology Program[RCBS20210609103713046] ; Science, Technology and Innovation Commission of Shenzhen Municipality[ZDSYS20200811143601004] ; MechERE Centers at MIT and SUSTech[Y01346002]
WOS Research Area
Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS Subject
Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Accession No
WOS:000888911600001
Publisher
ESI Research Field
MATERIALS SCIENCE
Scopus EID
2-s2.0-85142195680
Data Source
Scopus
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/412591
DepartmentDepartment of Mechanical and Energy Engineering
Affiliation
1.Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China
2.Agricultural Genomics Institute at Shenzhen,Chinese Academy of Agricultural Sciences,Shenzhen,518120,China
3.Institute of Bast Fiber Crops and Center of Southern Economic Crops,Chinese Academy of Agricultural Sciences,Changsha,410205,China
4.Ningbo Key Laboratory of Specialty Polymers,Faculty of Materials Science and Chemical Engineering,Ningbo University,Ningbo,315211,China
5.South China Advanced Institute for Soft Matter Science and Technology,South China University of Technology,Guangzhou,510641,China
6.Department of Chemical Engineering,University College London,London,WC1E 7JE,United Kingdom
7.Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems,Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China
8.Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities,Southern University of Science and Technology,Shenzhen,518055,China
First Author AffilicationDepartment of Mechanical and Energy Engineering
Corresponding Author AffilicationDepartment of Mechanical and Energy Engineering;  Southern University of Science and Technology
First Author's First AffilicationDepartment of Mechanical and Energy Engineering
Recommended Citation
GB/T 7714
Liang,Xiangyu,Chen,Guangda,Lei,Iek Man,et al. Impact-Resistant Hydrogels by Harnessing 2D Hierarchical Structures[J]. ADVANCED MATERIALS,2022.
APA
Liang,Xiangyu.,Chen,Guangda.,Lei,Iek Man.,Zhang,Pei.,Wang,Zeyu.,...&Liu,Ji.(2022).Impact-Resistant Hydrogels by Harnessing 2D Hierarchical Structures.ADVANCED MATERIALS.
MLA
Liang,Xiangyu,et al."Impact-Resistant Hydrogels by Harnessing 2D Hierarchical Structures".ADVANCED MATERIALS (2022).
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